Product Summary

Bert Gen II, 2-Speed Transmission Speeds

  • IMCA Approved for Stock Car, Modified, and Late Model classes
  • Features an internal clutch assembly for reduced rotating weight
  • First and reverse are totally disengaged when in high gear consuming less power than other designs
  • Ideal for crate motor and limited engine series on either dirt or pavement
  • 1300 "Short" version is designed to be 2-5/8" shorter than a Muncie
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Key Specs

MFG. Part #1300
BrandBert Transmission
Transmission Speeds2-Speed
Input Shaft Spline Count10
Input Shaft Diameter1.0625"
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Bert Transmission 1300 Details

This revolutionary design is the lowest rotating weight gear box available.  The mechanism of the first and reverse are totally disengaged from rotation when it's in direct drive (high gear), so there is no wear on those parts.  Reduced rotating weight creates more power to rear wheels that is greatly felt by drivers.  Crate motor and limited engines series benefit the most from this transmission, either on dirt or pavement.

The second generation transmisson delivered multiple wins in 2020 which proves it is one of the top transmissions on the market today.  Champions like Billy Moyer, Tim Fuller, Chris Maden, Casey Robert, Hunter Peacock, Steve Francis, David Smith, Ray Cook, and Jonathan Davenport use these transmissions and had remarkable success and wins all season long.  Don't deprive your race team, use the second generation Bert transmission to power your Late Model race car!

  • Revolutionary design is the lowest rotating weight gear box available
  • First and reverse are totally disengaged when in high gear
  • Reduced rotating weight creates more power to rear wheels
  • Great for crate motor and limited engine series on either dirt or pavement
  • Available in 2-5/8" "Short" version

Bert Transmission 1300 Specifications

KEY SPECS
MFG. Part #1300
BrandBert Transmission
Transmission Speeds2-Speed
Input Shaft Spline Count10
Input Shaft Diameter1.0625"
GENERAL
Torque600 ft./lbs.
Output Shaft Spline Diameter1.1875"
Output Shaft Spline Count27
Case MaterialAluminum
Bellhousing IncludedNo
Yoke IncludedNo
Shifter IncludedNo
Gear Ratio (High)1.00:1
Notes-3 AN inlet fitting. 1-3/8"-10 spline input shaft. 1-3/16"-27 spline output shaft.
Sold in QuantityEach
Yoke StyleSlip On
Shifter StyleLinkage operated

Questions & Answers

7 Questions • 7 Answers

My car weighs 3000 pounds is this to much for this transmission?

by Bri

• 2 years ago

1 answer

Does this transmission have a mounting boss for a cross member mount like a stock Saginaw has?

by rccen44

• 6 years ago

1 answer

Can I use the same drive flange that I use with the gen 1 ? Can I use a single shift lever like I would a powerglide ? Thanks

by Terry

• 7 years ago

1 answer

How much less rotating weight does the Gen 2 have than the gen 1 and how much less h.p. does it save.

by Chad

• 7 years ago

1 answer

Type f transmission fluid? Capacity?

by Timothy

• 8 years ago

1 answer

What is the length on this transmission from the mounting face to the end of the tail shaft?

by Zach

• 9 years ago

1 answer

imca modified legal? Is this transmission imca modified legal and also is the crate aluminum bert bell housing imca legal?

by smith21j

• 12 years ago

1 answer

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